Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people

— Carl Sagan

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Updated: 7 hours 29 min ago

Faint distant galaxies spotted by JWST may be closer than they appear

Mon, 08/15/2022 - 4:09pm
Because of a calibration update for one of the James Webb Space Telescope’s main cameras, research using the first few weeks of data from the observatory may be flawed
Categories: Astronomy

Simple chemistry can recycle polystyrene into more valuable products

Mon, 08/15/2022 - 4:00pm
UV light plus aluminium chloride as a catalyst can break down polystyrene so that it can be turned into a chemical used in fragrances and medicines
Categories: Astronomy

Using propane in air conditioners could prevent 0.1°C of warming

Mon, 08/15/2022 - 4:00pm
There are expected to be 3.7 billion air conditioners in operation by 2050. Using propane as the refrigerant could prevent a significant amount of climate warming by the end of the century
Categories: Astronomy

Zephyr solar-powered drone smashes record with 2-month-long flight

Mon, 08/15/2022 - 12:38pm
The Airbus Zephyr S, a military reconnaissance aircraft, has more than doubled the record it set in 2018 for an uncrewed flight duration
Categories: Astronomy

AI that recommends diets based on the microbiome relieves constipation

Mon, 08/15/2022 - 12:17pm
People with chronic constipation who ate an AI-recommended diet for six weeks had an average 2.5-fold increase in weekly complete bowel movements
Categories: Astronomy

A large nuclear war could leave 5 billion people without enough to eat

Mon, 08/15/2022 - 12:00pm
The after-effects of nuclear war would be catastrophic for agriculture. Simulations show billions of people could starve depending on the size of the conflict
Categories: Astronomy

People with half a brain removed do well at face and word recognition

Mon, 08/15/2022 - 9:30am
Adults who had the left or right hemisphere of their brain removed as children to treat epileptic seizures had accuracy scores of over 80 per cent on word and face recognition tasks
Categories: Astronomy

Quantum computer made of 6 super-sized atoms could imitate the brain

Sat, 08/13/2022 - 3:00am
Simulations of a quantum computer made of six rubidium atoms suggest it could run a simple brain-inspired algorithm that can learn to remember and make simple decisions
Categories: Astronomy

Saiga antelopes have increased 10-fold after mass die-off in 2015

Fri, 08/12/2022 - 6:34pm
More than a million large-nose antelopes now roam the Kazakhstan steppe, a big rebound from the 130,000 animals left after a fatal bacterial disease killed half of the population
Categories: Astronomy

Physicists work out how many moons Earth could have

Fri, 08/12/2022 - 5:06pm
Simulations suggest that Earth could theoretically host two more moons the size of the one we've got now, or several smaller moons
Categories: Astronomy

Monkeys in Bali use stones as sex toys to fill their leisure time

Fri, 08/12/2022 - 10:36am
Male and female macaques in a Balinese sanctuary commonly use stone tools to masturbate, possibly because they have more leisure time than wild primates
Categories: Astronomy

Interstellar meteorite may be awaiting discovery on the sea floor

Fri, 08/12/2022 - 9:31am
A pair of astronomers say that classified US government sensors detected an interstellar meteor hitting Earth in 2014. Now they want to mount a $1.6 million expedition to find fragments of it on the sea floor
Categories: Astronomy

Mars astronauts would get unsafe radiation doses even with shielding

Fri, 08/12/2022 - 7:14am
Simulations show that a 1000-day mission to Mars would expose astronauts to radiation doses above 1 sievert, even with metal shielding
Categories: Astronomy

Covid-19 vaccines in pregnancy not linked to miscarriage or stillbirth

Thu, 08/11/2022 - 7:30pm
There has been a lack of clarity over the risks of covid-19 and vaccines against it during pregnancy throughout much of the pandemic, with research now overwhelmingly supporting that pregnant people get vaccinated
Categories: Astronomy

US CO2 shortage worsened by contaminated gas from an extinct volcano

Thu, 08/11/2022 - 6:39pm
An extinct volcano’s underground reservoir in Mississippi has supplied CO2 to US beverage makers and food processing companies for decades. But natural contamination has exacerbated an ongoing CO2 shortage
Categories: Astronomy

Ignition confirmed in a nuclear fusion experiment for the first time

Thu, 08/11/2022 - 5:19pm
A 2021 experiment achieved the landmark milestone of nuclear fusion ignition, which data analysis has now confirmed – but attempts to recreate it over the last year haven’t been able to reach ignition again
Categories: Astronomy

Losing parts of our voice box may have helped humans evolve to speak

Thu, 08/11/2022 - 3:00pm
Unlike people, 43 species of monkeys and apes are known to have so-called vocal membranes, which may prevent them from having precise voice control
Categories: Astronomy

Hovering robots could get more lift by 'treading water' in the air

Thu, 08/11/2022 - 2:58pm
Moving like an insect may not be the most efficient way for tiny flying robots to hover – they get more lift by taking advantage of vortices of air that form under their wings
Categories: Astronomy

Cornea made from pig collagen gives people who were blind 20/20 vision

Thu, 08/11/2022 - 2:26pm
Twenty people who were legally blind or visually impaired received a transplant of a cornea made from pig collagen. All of them had improved sight, including three who now have 20/20 vision after being legally blind
Categories: Astronomy

T. rex’s unusual eye sockets helped it evolve a powerful bite

Thu, 08/11/2022 - 12:00pm
Some large, meat-eating dinosaurs such as Tyrannosaurus rex had keyhole-shaped eye sockets, and reconstructions suggest this helped them bite with greater force
Categories: Astronomy